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DNA Structure and Replication

DNA Structure and Replication
DNA with a G-C content of 50% will melt at approximately

90 °C
100 °C
60°C
70 °C

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DNA Structure and Replication
What is the name given to the points at which a DNA helix is unwound and new strands develop?

Replication forks
Replication origins
Leading strands
Okazaki fragments

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DNA Structure and Replication
Proteins involved in opening a replication bubble are

DNA topoisomerase
ligase
DNA helicases
single stranded binding proteins

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DNA Structure and Replication
The nicks or gaps between Okazaki fragments are eventually sealed by

RNA ligase
polymerase
gyrase
DNA ligase

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DNA Structure and Replication
Who's X-ray work aided Watson and Crick in their discovery of the double helix?

R. Franklin
L. Pauling
W.H. Bragg
Leaderberg

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DNA Structure and Replication
When DNA polymerase is in contact with guanine in the parental strand, what does it add to the growing daughter strand?

Guanine
Cytosine
Phosphate
Uracil

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